lkml.org 
[lkml]   [2023]   [Sep]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] tracing/synthetic: Print out u64 values properly
Hi Tero,

On Mon, 11 Sep 2023 17:17:04 +0300
Tero Kristo <tero.kristo@linux.intel.com> wrote:

> The synth traces incorrectly print pointer to the synthetic event values
> instead of the actual value when using u64 type. Fix by addressing the
> contents of the union properly.

Thanks for pointing it out.
But I would like to see a new "case 8:" print code instead of changing
"default". Can you keep the default as it is and add "case 8:" case there?

Thanks,

>
> Fixes: ddeea494a16f ("tracing/synthetic: Use union instead of casts")
> Cc: stable@vger.kernel.org
> Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
> ---
> kernel/trace/trace_events_synth.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
> index 7fff8235075f..070365959c0a 100644
> --- a/kernel/trace/trace_events_synth.c
> +++ b/kernel/trace/trace_events_synth.c
> @@ -337,7 +337,7 @@ static void print_synth_event_num_val(struct trace_seq *s,
> break;
>
> default:
> - trace_seq_printf(s, print_fmt, name, val, space);
> + trace_seq_printf(s, print_fmt, name, val->as_u64, space);
> break;
> }
> }
> --
> 2.40.1
>


--
Masami Hiramatsu (Google) <mhiramat@kernel.org>

\
 
 \ /
  Last update: 2023-09-15 08:02    [W:0.166 / U:0.572 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site